Endoscopes TRIZ Cases

Segmenting the disposable scope from the reusable control unit eliminates complex cabling while rotating an inner tube to steer the tip through uterine anatomy.

An endoscope lens cleaning device uses an iris mechanism with movable vanes to wipe the visualization lens surface.

Biasing means apply constant initial tensile forces to endoscope wires collectively, eliminating time-consuming individual adjustments.

Integrating a light source and therapeutic unit in an endoscope resolves the contradiction between device versatility and structural complexity.

An articulating holder with friction locks stabilizes the tool position without occupying working space or straining the surgeon.

A motorized endoscope holder slides along a guide rail to move the insertion auxiliary member and scope toward the patient mouth.

Moving one middle lens component corrects field curvature and aberrations while maintaining sufficient depth of field for high brightness imaging.

A resilient drive wire transfers closure force to jaw members via cam slots in electrosurgical instruments.

Thermal coagulation via radiofrequency heating reduces hemorrhoids while minimizing patient pain and recovery time.

A medical operation system displays an operating room map with device icons to facilitate user designation of input source changes and internal settings.

A stopper engages the transmission shaft to establish home positions, resolving positioning difficulties caused by complex rotational adjustments.

Optimizing the center of gravity in an electric medical instrument fitting reduces operating room clutter and improves system balance.

A lighted gastric bougie with an integral distal LED enables surgeons to visualize the device position through the opaque stomach wall during laparoscopic surgery.

Segmented bending pieces rotate independently around shafts while manipulation wires nest in concentric circles to prevent entanglement.

Disposable resectoscope integrates digital imaging sensor within nested shaft to eliminate bulky rod lens assemblies.

Transparent resin retractors eliminate metal glare and obstruction, allowing surgeons to view tissues directly through the device body.

Replacing electromagnetic sensors with fiber optic Bragg gratings eliminates interference issues while providing accurate 3D position tracking.

Pre-curved sheaths and adjustable handles maintain papillotome alignment despite rotational torque during bile duct calculus removal.

A soft cylindrical tip prevents fiber erosion and scope damage by maintaining spacing between the fiber end and stone during lithotripsy.

A reference governor manipulates input signals to exploit hysteresis in shape memory alloy actuators.

A sterile drive interface apparatus transmits torque from a non-sterile instrument driver to a surgical instrument assembly through a fluid-tight barrier.

An endoscope tip integrates light emitting diodes with a copper housing to dissipate heat from solid-state emitters.

A bipolar cutter uses segmented electrodes with varying exposed areas to incise tissue and coagulate blood vessels simultaneously.

A testing device uses a holder and a test filter arrangement with reversed spectral characteristics to determine observation filter presence through brightness changes.

Leaf spring pads clean fiber ferrules during mating, maintaining optical signal reliability and enabling accurate blood pressure measurements.

A medical device uses a fluid jet to apply tensile force for precise tissue manipulation.

A suturing mechanism uses a rotation member and straight-moving member to extract staples toward a reception portion.

Radio antenna generates reflected electrical signal through impedance mismatch to characterize surrounding biological medium electromagnetic properties.

A medical elongated body with a spiral slit suppresses axial elongation while maintaining high flexibility.

A cryogenic balloon with a thermally conductive therapeutic region transfers cold energy to tissue.

Arcuate tracks manage cable slack during multi-directional movement, preventing disengagement and binding in endoscopic devices.

A laser tissue fusion device clamps and welds tissue layers using controlled thermal energy to induce protein denaturation.

A dynamic spool provides slack during insertion and applies tension for actuation, resolving wire length interference with shaft flexibility.

Actuator device merges scope and retrieval handle control via a movable platform and link assembly, eliminating multi-operator coordination delays.

A capsule endoscope position detection apparatus calculates total distances from spherical surfaces to identify the minimum sum point for accurate location tracking.

Single-tube rigid endoscope uses LED chips for illumination and die-cast aspheric lenses to resolve high production costs while maintaining imaging resolution.

Segmented sealed modules preserve optical parameters to eliminate parallax and enable steam autoclave sterilization.

Crisscross pull cords on a ligation barrel deploy bands evenly, resolving parallel cord deployment inconsistencies.

Medical endoscope uses dual LEDs and a light filter to direct specific spectra for imaging.

Controller dynamically adjusts maximum motor load based on real-time feedback to prevent excessive torque during atherectomy procedures.

Integrated torso vest establishes a correspondence matrix via catheter calibration to map intracardiac electropotentials without repeated invasive insertions.

A single delivery system uses a spring retention mechanism to deploy and retrieve endoscopic instruments through an elongated sheath.

Actuator moves between locked and unlocked configurations to rotate the elongate tube relative to the handle.

Flexible elastomeric membrane seals around varying instrument diameters to prevent fluid leakage and backflow in medical devices.

An asymmetric magnetic switch in a capsule endoscope activates contacts through parallel field application, eliminating reed switch alignment constraints.

A unitary endoscopic device integrates dissection, sealing, and severing functions within a single elongated body.